Example code for caldera_forms_submit_start_processors action in Caldera Forms See: https://calderaforms.com/doc/caldera_forms_submit_start_processors/

caldera_forms_submit_start_processors.php

<?php
/**
 * Get all data from a form after field validation, before processors
 */
add_action( 'caldera_forms_submit_start_processors', function( $form ) {
	//get submission data as field ID => value
	$values = Caldera_Forms::get_submission_data( $form );

	//convert to slug => value
	$data = array();
	foreach ( $values as $field_id => $value ){
		//get field config
		$field = Caldera_Forms_Field_Util::get_field( $field_id, $form );
		if( $field ){
			$data[ $field[ 'slug' ] ] = $value;
		}
	}

	/** Now you can use $data to send a slack alert, email, push notification, etc. */


});

early-zapier.php

<?php
/**
 * Trigger a zapier webhook before any processors run
 */
add_action( 'caldera_forms_submit_start_processors', function( $form ){
	//stop if Zapier isn't active
	if( ! function_exists( 'cf_zapier_push_trigger' ) ){
		return;
	}
	//create a compatible config for processor
	$config = array(
		'url' => 'https://zapier.com/the-reset-of-your-webhook-url'
	);

	cf_zapier_push_trigger( $config, $form );
	
});

send-extra-email.php

<?php
/**
 * Send an extra email before processing your form
 */
add_action( 'caldera_forms_submit_start_processors', function( $form ) {
	//get submission data as field ID => value
	$values = Caldera_Forms::get_submission_data( $form );
	//convert to slug => value
	$data = array();
	foreach ( $values as $field_id => $value ){
		//get field config
		$field = Caldera_Forms_Field_Util::get_field( $field_id, $form );
		if( $field ){
			$data[ $field[ 'slug' ] ] = $value;
		}
	}
	/** Send the main mailer with a modifed subject line and recpient */
	//get mailer settings
	$settings = $form['mailer'];
	//change subject
	$settings[ 'subject' ] = 'New pending submission on form ' . $form[ 'name' ];
	//change recipients of email
	$settings[ 'recipients' ] = array( 'you@something.com', 'someone@something.com' );

	//If you use {summary} magic tag for email, will need to parse it manually.
	$summary_magic = new Caldera_Forms_Magic_Summary( $form, $values );
	$summary_magic->set_html_mode( true );
	$magic_tag = $summary_magic->get_tag();
	$settings[ 'email_message' ] = $settings[ 'message' ] = str_replace( '{summary}', $magic_tag, $settings[ 'email_message' ] );
	//End part for summary magic tag

	//Send email
	Caldera_Forms_Save_Final::do_mailer( $form, null, $data, $settings );

});